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Table 2 Reisolation of Leptospira from blood. Pigs were vaccinated twice (4-week interval) and challenged with different Leptospira serovar (sv) and serogroup (sg) challenge strains, 6 weeks after first vaccination. A pig was considered infected if at least once a positive blood isolation was found. n.a. = not applicable

From: Erratum to: A novel octavalent combined Erysipelas, Parvo and Leptospira vaccine provides (cross) protection against infection following challenge of pigs with 9 different Leptospira interrogans serovars

   

Reisolation of Leptospira from blood on post-challenge day

# pigs infected

# blood isolations

n

Group

Challenge with

0

1

2

3

4

7

10

9

vaccine

sv Canicola

0

0

0

0

0

0

0

0**

n. a.

10

control

sg Canicola

0

10

10

10

10

1

0

10

n. a.

10

vaccine

sv Copenhageni

0

0

0

0

0

0

0

0**

n. a.

10

control

sg lcterohaemorrhagiae

0

10

10

8

4

1

0

10

n. a.

10

vaccine

sv lcterohaemorrhagiae

0

2

0

0

0

0

0

2**

2**

10

control

sg lcterohaemorrhagiae

0

9

6

2

0

0

0

9

17

10

vaccine

sv Bananal / Liangguan

0

0

0

0

0

0

0

0**

n. a.

9

control

sg Grippotyphosa

0

6

8

6

2

0

0

8

n. a.

8

vaccine

sv Grippotyphosa

0

0

0

0

0

0

0

0**

n. a.

10

control

sg Grippotyphosa

0

6

1

0

0

0

0

6

n. a.

10

vaccine

sv Bratislava

0

0

0

0

0

0

0

0**

n. a.

9

control

sg Austrais

0

6

4

0

0

0

0

6

n. a.

9

vaccine

sv Pomona

0

0

0

0

0

0

0

0**

n. a.

10

control

sg Pomona

0

10

10

10

9

2

0

10

n. a.

10

vaccine

sv vughia

0

0

0

0

0

0

0

0**

n. a.

10

control

sg Tarassovi

0

10

9

1

1

0

0

10

n. a.

10

vaccine

sv Tarassovi

0

2

0

0

0

0

0

2

2*

10

control

sg Tarassovi

0

6

2

1

1

0

0

6

10

  1. * p < 0.05. **p < 0.01